Description
Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE



2.CHECK MICROPHONE POWER SUPPLY


3.CHECK MICROPHONE SIGNAL

Check signal between Bluetooth control unit harness connector B131 terminals 7 and 8.

Sound signal circuitBasic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
2. CHECK DTC
Check DTC for BCM and IPDM ...
Bluetooth control unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
System temporarily unavailable
The following are conditions in which the ICC
system may be temporarily unavailable. In these
instances, the ICC system may not cancel and
may not be able to maintain the selected following
distance from the vehicle ahead.
Condition A
Under the following conditions, the ICC system is
auto ...